diff --git a/common/common.h b/common/common.h
index 858d2807e..b208d0c7e 100644
--- a/common/common.h
+++ b/common/common.h
@@ -623,7 +623,6 @@ struct common_chat_msg {
     std::string role;
     std::string content;
     std::vector<common_tool_call> tool_calls;
-    std::string thoughts = "";
     std::string tool_plan = "";
 };
 
diff --git a/tests/test-chat.cpp b/tests/test-chat.cpp
index 2c20b437a..9956c1f1f 100644
--- a/tests/test-chat.cpp
+++ b/tests/test-chat.cpp
@@ -22,7 +22,6 @@ static common_chat_msg msg_from_json(const json & message) {
         "assistant",
         "",
         {},
-        /* .thoughts = */ "",
         /* .tool_plan = */ "",
     };
     if (message.contains("content") && !message.at("content").is_null()) {